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9.1.3
Checking the magnesium anode
If the magnesium anode is not serviced properly, the
warranty is void.
Annual service records must be kept in a safe location
and submitted together with the original purchase
receipt in the event of a warranty claim.
The magnesium anode protects the DHW tank from corrosion. Check the
magnesium anode annually to determine whether it needs to be
changed.
The surface of the magnesium anode must be free of deposits. Exchange
the magnesium anode when deposits collect, the surface is enlarged
from deposits, or the diameter is less than 5/8" (15 mm).
Certain installations may require more frequent replacement of the
magnesium anode rod:
• Recirculation connection
• Poor water quality
• corrosion protection
• High flow rate
In the event of poor water quality it is recommended that a water
treatment professional be consulted for water treatment options. If the
magnesium anode is not properly serviced, the warranty expires on the
DHW tank.
Never bring the magnesium anode surface in contact
with oil or grease.
▶ Keep everything clean.
▶ Shut off the cold water inlet and DHW outlet.
▶ Depressurize the tank.
▶ Remove and check the magnesium anode.
Fig. 15
S32/5 – 6 720 819 302 (2017/11)
1.
2.
6 720 801 708-12.1ITL
9.2
Startup after maintenance
▶ To start up the DHW tank, follow the steps in 6.1.
9
Maintenance
15
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